NOx, shorthand for the sum of NO2 + NO, is necessary for the formation of ozone (O3). Even when volatile organic compounds (VOC) are not present, ozone is formed through a series of sunlight-driven ...

The 2015 Antarctic ozone hole area was larger and formed later than in recent years, said scientists. The 2015 Antarctic ozone hole area was larger and formed later than in recent years, said ...

News about the environment isn't always positive, but this is: A new NASA study reports the hole in the ozone layer over Antarctica will be permanently smaller around the year 2040. Ozone is toxic to ...

Earth’s stratosphere is a lot like Las Vegas, in that what happens up there, stays up there. For one, molecules of ozone, formed naturally by interactions between oxygen and the sun’s rays, form a ...

In 1985, scientists “accidentally” discovered a yawning hole in the ozone layer above Antarctica. Initial research suggested the problem had emerged as recently as the late 1970s, but a new analysis ...

Something strange is happening with a now-banned chemical that eats away at Earth's protective ozone layer: Scientists say there's more of it—not less—going into the atmosphere and they don't know ...

Josh has a degree in Biology from University College London, and specialises in animals, palaeontology, climate, and the environment.View full profile Josh has a degree in Biology from University ...

The 2015 Antarctic ozone hole area was larger and formed later than in recent years, said scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). On Oct. 2, 2015, the ...